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Interconnecting DG into Network - page 5 / 29

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We have developed some key terms & definitions that should help us in addressing network interconnection.

Network Systems – Power delivery systems that provide highly reliable, continuous service via alternate supplies.

Primary Network Distribution Lines or Feeders – Higher voltage distribution lines (4,000 volts to 35,000 volts) that deliver power to secondary grid or spot networks.

Secondary Network Lines – Lower voltage distribution lines (208 volts to 480 volts) that distribute power to customers located on secondary grid or spot networks.

Network Transformers – Converts higher distribution voltages to lower voltages used to serve secondary networks.  Power (current) is intended to flow in one direction: high to low voltage.

Grid or Street Networks – Low voltage lines connected in a grid arrangement, typically serving many customers over several city blocks.

Key Terms and Definitions

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